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Re: dhcpnak (somebody spams me with another dhcp server ?)



This one time, at band camp, Wojciech Ziniewicz said:
> Hello,
> I have a small (400 clients) isp network.
> I have to kind of clients - ones with pppoe interfaces (rp-pppoe) and
> ones that get the aderss with DHCP.
> For 3 days now i receive complaints about "disconnecting" from the
> clients on dhcp... in my logs i see the attached log. AFAIK it means
> that they obtain IP adress from another DHCP server and then after
> dhcprelease they sent request for the IP address to my server but it
> can't provide the previous address that has been given to them by the
> another server.
> IP addresses are bound to mac adresses :
> 
> Oct  2 21:19:57 beta dhcpd: DHCPNAK on 192.168.55.115 to
> 00:13:8f:1a:f4:27 via eth1
> Oct  2 21:19:57 beta dhcpd: DHCPDISCOVER from 00:40:ca:e1:7c:78 via
> eth1: network myeth1: no free leases

You either have no free leases, as it says, or you might be a victim of
a gcc bug, according to google.  How many leases do you actually have in
dhcpd.leases?
-- 
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|   ,''`.                                            Stephen Gran |
|  : :' :                                        sgran@debian.org |
|  `. `'                        Debian user, admin, and developer |
|    `-                                     http://www.debian.org |
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